import UIAbility from '@ohos.app.ability.UIAbility';
import hilog from '@ohos.hilog';
import window from '@ohos.window';
import { Configuration } from '@ohos.app.ability.Configuration';

export default class EntryAbility extends UIAbility {
  onCreate(want, launchParam) {
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
  }

  onDestroy() {
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onDestroy');
  }

  onConfigurationUpdate(config:Configuration)
  {
    let language = config.language;
    let colorMode = config.colorMode;
    //let applicationContext = this.context.getApplicationContext();
    let environment = {language:language,colorMode:colorMode};
    AppStorage.SetOrCreate("environment",JSON.stringify(environment));
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onConfigurationUpdate ' + JSON.stringify(environment));
  }

  onWindowStageCreate(windowStage: window.WindowStage) {

    // Main window is created, set main page for this ability
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageCreate');


    // let envCallback = {
    //   onConfigurationUpdated(config) {
    //     console.info(`envCallback onConfigurationUpdated success: ${JSON.stringify(config)}`);
    //     let language = config.language;
    //     let colorMode = config.colorMode;
    //   },
    //   onMemoryLevel(level){
    //     console.log('onMemoryLevel level: ${JSON.stringify(level)}');
    //   }
    // };
    //
    // let applicationContext = this.context.getApplicationContext();
    // applicationContext.on('environment',envCallback);

    windowStage.loadContent('pages/Index', (err, data) => {
      if (err.code) {
        hilog.error(0x0000, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '');
        return;
      }



      hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
    });
  }

  onWindowStageDestroy() {
    // Main window is destroyed, release UI related resources
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
  }

  onForeground() {
    // Ability has brought to foreground
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onForeground');
  }

  onBackground() {
    // Ability has back to background
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onBackground');
  }
}
